Day by Day (EP)
[fr] Day by Day (album)
[id] Day by Day (album mini)
[it] Day by Day (T-ara)
[ko] DAY BY DAY (EP)
[pl] Day by Day
[pt] Day by Day (EP)
[sv] Day by Day (EP)
[th] เดย์บายเดย์ (อีพี)
[tr] Day by Day (EP)
[vi] Day by Day (EP)